631313095 has 64 divisors (see below), whose sum is σ = 942796800. Its totient is φ = 396264960.

The previous prime is 631313083. The next prime is 631313099. The reversal of 631313095 is 590313136.

It is not a de Polignac number, because 631313095 - 2⁷ = 631312967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631313099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3204537 + ... + 3204733.

It is an arithmetic number, because the mean of its divisors is an integer number (14731200).

Almost surely, 2^631313095 is an apocalyptic number.

631313095 is a deficient number, since it is larger than the sum of its proper divisors (311483705).

631313095 is a wasteful number, since it uses less digits than its factorization.

631313095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 631313095 is about 25125.9446588581. The cubic root of 631313095 is about 857.8570655522.

The spelling of 631313095 in words is "six hundred thirty-one million, three hundred thirteen thousand, ninety-five".